<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<form>
  <input type="hidden" name=id value="${model.id}">
  <p><label>姓名</label><input type="text" name="name" value="${model.name}"></p>
   <p><label>用户名</label><input type="text" name="username" value="${model.username }"></p>
    <p><label>密码</label><input type="text" name="password" value="${model.password}"></p>
</form>